html{
	height: 100%;	
}
body{
	height: 100%;
}

*{
	margin: 0;
	padding: 0;
}

/*盒子模型*/
.box{
	background-color: #bbb;
	height: 350px;
}

.shoebox{
	margin: 100px;
	padding: 10px;
	height: 100px;
	width: 100px;
	background-color: #37DACB;
	border: 5px solid #f00;
	float: left;
}
.shoe{
	height: 100px;
	width: 100px;
	background-color: #DAA036;
}

.shoebox1{
	margin: 100px;
	padding: 10px;
	height: 130px;
	width: 130px;
	background-color: #37DACB;
	border: 5px solid #f00;
	box-sizing: border-box;
	float: left;
}
.shoe1{
	height: 100px;
	width: 100px;
	background-color: #DAA036;
}

/*flex模型*/
.flex{
	background-color: #aaa;
	height: 380px;
	width: 100%;
	position: relative;
}

.block{
	position: absolute;
	height: 50%;
	width: 50%;
	display: inline-block;
}	

.block_2{
	left: 50%;
}

.borderbox{
	position: absolute;	
	width: 300px;
	height: 180px;
	border: 3px solid #000;
	border-radius: 5px;
	top:50%;
	left: 50%;
	margin-left: -150px;
	display: flex;
}
.item_1{
	background-color: #FFC3C5;
}
.item_2{
	background-color: #C5FFC6;
}
.item_3{
	background-color: #C7C0FC;
}

.block_1 .borderbox{
	flex-flow: column nowrap;
}
.block_1 .borderbox .item_1{
	flex: 1 1 150px;
}
.block_1 .borderbox .item_2{
	flex: 2 2 150px;
}
.block_1 .borderbox .item_3{
	flex: 2 2 150px;
}

.block_2 .borderbox{
	flex-flow: row nowrap;
}
.block_2 .borderbox .item_1{
	flex: 1 1 150px;
	order: 3;
}
.block_2 .borderbox .item_2{
	flex: 1 1 150px;
}
.block_2 .borderbox .item_3{
	flex: 1 1 150px;
}

/*column分栏*/
.column{
	background-color: #bbb;
	padding-bottom: 40px;
}

.col{
	width: 85%;
	margin: 10px auto 0;
	-webkit-column-count: 2;
	-webkit-column-rule-style: dotted;
}

.oldbox{
	background-color: #aaa;
	height: 380px;
}

.back{
	margin: 10px auto;
	display: -webkit-box;
	-webkit-box-align:center;
	-webkit-box-pack:center;
	height: 200px;
	width: 200px;
	background-color: orange;
}